- 16 blocks will be placed in 4 rows on one side of a box with a partition in the middle. The objective is to move one block at a time to the other side going over the partition. Participants will be instructed to start at the lower right corner and complete that row before moving to the next. Subjects will move each block to the matching spot on the opposite half of the box. Participants will have 1 minute to move as many blocks as they can. Participants will repeat this task 4 times. The box will start placed so the blocks start on the same side as the participants prosthesis.